PowerGen 2.4Amps / 12W Dual USB Car charger Designed for Apple and Android Devices - Black PowerGen Dual Port 20W / 4.2A USB Car Charger charges your iPad, iPhone, iPod, HTC, Samsung, Blackberry, MP3 Players, Digital Cameras, PDAs, Mobile Phones. Designed for Apple and Android Devices Use your existing USB charging cables to charge most USB powered devices / Easy-to-see LED confirms whether USB charger is properly connected Dual Port Design, one Apple Devices and one port for Non-Apple Mobile phones or other devices. Input:12-24V 1000mA; Output:DC 5V 4.2A or 20W (Shared by two ports) Dimensions Size (LWH): 5.3 inches, 2.7 inches, 1 inches Weight: 1.6 ounces, Sophisticated circuit design with over-heated, over-current, over-charging protection. Charging will be automatically stop when battery is full.